Resource Name: Memambetsu geoelectric field 1-hour digital data in IAGA-2002 format
Release Date: 2013-02-15T00:00:00
Description: The geoelectric field 1-hour digital data observed at Memambetsu (MMB) in IAGA-2002 format. Data file comprises: Twelve mandatory file header records, Unlimited optional comment records, One mandatory data header record, A series of data records. Every record is 70 characters long plus the machine-dependent carriage return / line feed. Details of the format is described at http://www.ngdc.noaa.gov/IAGA/vdat/iagaformat.html.
Citation: Kakioka Magnetic Observatory, 2013, Memambetsu geoelectric field 1-hour digital data in IAGA-2002 format [dataset], Kakioka Magnetic Observatory Digital Data Service, doi:10.48682/129d7.2b000
- Contact
- Contact person:
Technical Division of the Kakioka Magnetic Observatory
- Organization Name: Japan Meteorological Agency
- E mail: kakioka@met.kishou.go.jp
- Role: General Contact
- Organization Name: Japan Meteorological Agency
- Access Information
-
Access URL:
https://www.kakioka-jma.go.jp/en/index.html
- Availability: Online and CD-ROM (Annual Report)
- Accessrights: Open
- Format: IAGA-2002 text format
- Acknowledgement: If the data are used in publications and presentations, the Kakioka Magnetic Observatory of the Japan Meteorological Agency should be acknowledged properly.
- Availability: Online and CD-ROM (Annual Report)
- Instruments
-
Measurement Type:
Geoelectric field
- Instrument Type: Geoelectric field sensor
- Description: Perpendicularly aligned N-S line (300 m) and E-W line (300 m) with copper plates
- Sensor Orientation: XY
- Instrument Type: Geoelectric field sensor
- Temporal Description
-
- Time Span
-
Start Date:
1962-01-01T00:00:00
- Stop Date: 2021-02-28T23:00:00
- Spatial Coverage
-
Observed Region:
Earth's surface
- Coordinate System Name: GEO(WGS84)
- Coordinate Representation: Spherical
- Northernmost Latitude: 43.91
- Southernmost Latitude: 43.91
- Easternmost Longitude: 144.189
- Westernmost Longitude: 144.189
- Unit: Degree
- Minimum Altitude: 0.042
- Maximum Altitude: 0.042
- Unit: km
- Reference Name: Memambetsu Magnetic Observatory
- Reference Code: MMB
- Coordinate System Name: GEO(WGS84)
- Parameter
-
Name:
Geoelectric field
- Description: 1-hour value is calculated as averages of 60 one-minute values, centered on the half-hour.
- Field
-
Qualifier:
Vector
- Field Quantity: Electric
- Structure
-
Sampling:
Manual readings from analog records before Jan. 1987, 1 second since Jan. 1987
- Interval: 1-hour (instantaneous) before Jan. 1987, Average 1-hour (00-59) since Jan. 1987
- Data Type: definitive
- Elements: XYZF
- Units: X(northward+)[mV/km], Y(eastward+)[mV/km]
- Resolution: 0.1mV
- Interval: 1-hour (instantaneous) before Jan. 1987, Average 1-hour (00-59) since Jan. 1987
- Remarks: The Z and F components are dummies.
- Description: 1-hour value is calculated as averages of 60 one-minute values, centered on the half-hour.